On Saturday, November 9, 2019 at 2:22:51 AM UTC-6, Alan Grayson wrote:
> On Friday, November 8, 2019 at 3:47:15 PM UTC-7, Alan Grayson wrote:
>> https://gizmodo.com/a-round-universe-would-be-bad-news-for-physicists-1839647806
>> Personally, FWIW, I don't believe the universe is open. When physicists 
>> claim it is "flat", they must mean "asymptotically flat", leaving the 
>> possibility of really being closed. AG
> Is it a "crisis" because a closed universe is not expected to be 
> accelerating in its expansion? AG 

The paper is premised:

Current theories of the universe, which describe its age, size, and how it 
evolves over time, are built around a flat spacetime. 


e.g. https://en.wikipedia.org/wiki/Loop_quantum_cosmology


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